%hamming 7,4

G =     [1 0 1 0 0 1 1 ;
         1 0 1 0 1 0 0 ;
         0 1 1 1 0 0 0];
     
     H = [1 1 1 0 0 0 0 ;
         0 1 0 1 0 0 0 ;
         1 0 0 0 1 1 0;
         1 0 0 0 1 0 1];
         
         
         